Remove Duplicate Messages

Z 3 z 5 gwězdkow pógódnośony

wót Cliff Woodger dnja Apryl 20, 2013 · trajny wótkaz

Hi,
When I right click on folder and click Remove Duplicate Messages and then select the default keep / delete then fine the messages end up in my deleted folder. However, surely, if I move them messages from the deleted folder back to the original inbox folder, you would expect that, when I right-click on the folder and do the same again, it will find the duplicates. Instead, it tells me "Could not find any duplicate messages in the selected folder".
Is this just me, or is there an issue here? I want to be absolutely certain I can trust this add-on but it seems to have placed messages in my deleted folder and not left one of the duplicates in the source folder.
Thanks,
Cliff